<?xml version="1.0" encoding="UTF-8"?>
<netcdf xmlns="http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2" location="Not provided because of security concerns.">
  <attribute name="Conventions" value="CF-1.8, ACDD-1.3" />
  <attribute name="featureType" value="timeSeries" />
  <attribute name="title" value="Ground based in situ observations of filter_2pack at Jarczew (PL0002R)" />
  <attribute name="keywords" value="Jarczew, chloride, mass_concentration_of_nitrate_expressed_as_nitrogen_in_dry_aerosol_particles_in _air, air, mass_concentration_of_sulphur_dioxide_expressed_as_sulphur_in_air, sulphate_total, nitrate, aerosol, mass_concentration_of_ammonium_in_dry_aerosol_particles_in _air, PL0002R, mass_concentration_of_total_sulphateexpressed_as_sulphur_in_dry_aerosol_particles_in_air, EMEP, mass_concentration_of_ammonium_expressed_as_nitrogen_in_dry_aerosol_particles_in _air, mass_concentration_of_chloride_in_dry_aerosol_particles_in _air, ammonium, GAW-WDCA, GAW-WDCRG, mass_concentration_of_nitrate_in_dry_aerosol_particles_in _air, sulphur_dioxide" />
  <attribute name="id" value="EUFV-P5WK.nc" />
  <attribute name="naming_authority" value="EBAS" />
  <attribute name="project" value="EMEP, GAW-WDCA, GAW-WDCRG" />
  <attribute name="acknowledgement" value="Chief Inspectorate of Environmental Protection, Department of Monitoring and Information on Environment, Wawelska 52/54,,00-922, Warsaw, Poland, sekretariatdm@gios.gov.pl|Chief Inspectorate of Environmental Protection, Department of Environmental Monitoring, Assessment and Outlook, Wawelska 52/54,,00-922, Warsaw, Poland, sekretariatdm@gios.gov.pl|Chief Inspectorate of Environmental Protection, Department of Environmental Monitoring, Wawelska 52/54,,00-922, Warsaw, Poland, sekretariatdm@gios.gov.pl|Chief Inspectorate of Environmental Protection, Department of Environmental Monitoring, Al. Jerozolimskie 92,,00-807, Warsaw, Poland, sekretariatdm@gios.gov.pl" separator="|" />
  <attribute name="doi" value="https://doi.org/10.48597/EUFV-P5WK" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Magdalena Bogucka, Magdalena Bogucka, Magdalena Bogucka, Magdalena Bogucka, Magdalena Bogucka, Magdalena Bogucka, ammonium, chloride, nitrate, sulphate_total, sulphur_dioxide - filter_2pack at Jarczew, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/EUFV-P5WK" />
  <attribute name="summary" value="Ground based in situ observations of filter_2pack at Jarczew (PL0002R). These measurements are gathered as a part of the following projects EMEP, GAW-WDCA, GAW-WDCRG and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: ammonium in aerosol (mass_concentration_of_ammonium_expressed_as_nitrogen_in_dry_aerosol_particles_in _air), ammonium in aerosol (mass_concentration_of_ammonium_in_dry_aerosol_particles_in _air), chloride in aerosol (mass_concentration_of_chloride_in_dry_aerosol_particles_in _air), nitrate in aerosol (mass_concentration_of_nitrate_expressed_as_nitrogen_in_dry_aerosol_particles_in _air), nitrate in aerosol (mass_concentration_of_nitrate_in_dry_aerosol_particles_in _air), sulphate_total in aerosol (mass_concentration_of_total_sulphateexpressed_as_sulphur_in_dry_aerosol_particles_in_air), sulphate_total in aerosol (mass_concentration_of_total_sulphateexpressed_as_sulphur_in_dry_aerosol_particles_in_air), sulphur_dioxide in air (mass_concentration_of_sulphur_dioxide_expressed_as_sulphur_in_air)" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="PL01L, Institute of Meteorology and Water Management - National Research Institute, IMWM - NRI, Podlesna 61, PL-01673 WARSZAWA, Poland" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2020-11-10T12:08:05 UTC" />
  <attribute name="date_metadata_modified" value="2020-11-10T12:08:05 UTC" />
  <attribute name="creator_name" value="Magdalena Bogucka, Magdalena Bogucka, Magdalena Bogucka, Magdalena Bogucka, Magdalena Bogucka, Magdalena Bogucka" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value=", , , , , " />
  <attribute name="creator_institution" value=", , , , , " />
  <attribute name="contributor_name" value="Magdalena Bogucka, Magdalena Bogucka, Magdalena Bogucka, Magdalena Bogucka, Magdalena Bogucka, Magdalena Bogucka" />
  <attribute name="contributor_role" value="data submitter, data submitter, data submitter, data submitter, data submitter, data submitter" />
  <attribute name="publisher_type" value="institution" />
  <attribute name="publisher_name" value="NILU - Norwegian Institute for Air Research, ATMOS, EBAS" />
  <attribute name="publisher_institution" value="NILU - Norwegian Institute for Air Research, ATMOS, EBAS" />
  <attribute name="publisher_email" value="ebas@nilu.no" />
  <attribute name="publisher_url" value="https://www.nilu.no/" />
  <attribute name="geospatial_bounds" value="POINT Z (51.814408 21.972419 180.0)" />
  <attribute name="geospatial_bounds_crs" value="EPSG:4979" />
  <attribute name="geospatial_lat_min" type="double" value="51.814408" />
  <attribute name="geospatial_lat_max" type="double" value="51.814408" />
  <attribute name="geospatial_lon_min" type="double" value="21.972419" />
  <attribute name="geospatial_lon_max" type="double" value="21.972419" />
  <attribute name="geospatial_vertical_min" type="double" value="180.0" />
  <attribute name="geospatial_vertical_max" type="double" value="180.0" />
  <attribute name="geospatial_vertical_positive" value="up" />
  <attribute name="time_coverage_start" value="2014-01-01T06:00:00 UTC" />
  <attribute name="time_coverage_end" value="2020-01-01T06:00:00 UTC" />
  <attribute name="time_coverage_duration" value="P0006-00-00T00:00:00" />
  <attribute name="time_coverage_resolution" value="P0000-00-01T00:00:00" />
  <attribute name="timezone" value="UTC" />
  <attribute name="ebas_data_definition" value="EBAS_1.1" />
  <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="ebas_citation" value="Magdalena Bogucka, Magdalena Bogucka, Magdalena Bogucka, Magdalena Bogucka, Magdalena Bogucka, Magdalena Bogucka, ammonium, chloride, nitrate, sulphate_total, sulphur_dioxide - filter_2pack at Jarczew, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/EUFV-P5WK" />
  <attribute name="ebas_set_type_code" value="TU" />
  <attribute name="ebas_timezone" value="UTC" />
  <attribute name="ebas_file_name" value="EUFV-P5WK.nc" />
  <attribute name="ebas_represents_doi" value="https://doi.org/10.48597/EUFV-P5WK" />
  <attribute name="ebas_contains_doi" value="https://doi.org/10.48597/EUFV-P5WK" />
  <attribute name="ebas_file_creation" value="2023-12-11T23:00:52.176007 UTC" />
  <attribute name="ebas_export_state" value="2021-07-14T10:11:37.767000 UTC" />
  <attribute name="ebas_export_filter" value="exclude-900,exclude-invalid" />
  <attribute name="ebas_startdate" value="20140101060000" />
  <attribute name="ebas_revision_date" value="20201110120805" />
  <attribute name="ebas_version" value="1" />
  <attribute name="ebas_version_description" value="initial revision, manually inspected" />
  <attribute name="ebas_statistics" value="arithmetic mean" />
  <attribute name="ebas_data_level" value="2" />
  <attribute name="ebas_period_code" value="6y" />
  <attribute name="ebas_resolution_code" value="1d" />
  <attribute name="ebas_sample_duration" value="1d" />
  <attribute name="ebas_orig_time_res" value="1d" />
  <attribute name="ebas_station_code" value="PL0002R" />
  <attribute name="ebas_platform_code" value="PL0002S" />
  <attribute name="ebas_station_name" value="Jarczew" />
  <attribute name="ebas_station_gaw_id" value="JCZ" />
  <attribute name="ebas_station_gaw_name" value="Jarczew" />
  <attribute name="ebas_station_land_use" value="Agricultural" />
  <attribute name="ebas_station_setting" value="Rural" />
  <attribute name="ebas_station_gaw_type" value="R" />
  <attribute name="ebas_station_wmo_region" value="6" />
  <attribute name="ebas_station_latitude" value="51.814408" />
  <attribute name="ebas_station_longitude" value="21.972419" />
  <attribute name="ebas_station_altitude" value="180.0 m" />
  <attribute name="ebas_measurement_altitude" value="180.0 m" />
  <attribute name="ebas_measurement_height" value="2.24 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_laboratory_code" value="PL01L" />
  <attribute name="ebas_instrument_type" value="filter_2pack" />
  <attribute name="ebas_instrument_name" value="f2p_02" />
  <attribute name="ebas_instrument_manufacturer" value="IMWM" />
  <attribute name="ebas_instrument_model" value="Two stage inline" />
  <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v1996" />
  <attribute name="ebas_inlet_type" value="Downward-facing tube" />
  <attribute name="ebas_inlet_description" value="Downward facing" />
  <attribute name="ebas_medium" value="Glass fiber" />
  <attribute name="ebas_sample_preparation" value="Water extraction" />
  <attribute name="ebas_blank_correction" value="Blank corrected" />
  <attribute name="ebas_humidity_temperaure_control" value="None" />
  <attribute name="ebas_humidity_temperaure_control_description" value="filter kept at ambient conditions together with sampling head." />
  <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of ensemble of field blanks" />
  <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
  <attribute name="ebas_organization" value="PL01L, Institute of Meteorology and Water Management - National Research Institute, IMWM - NRI, , &quot;Podlesna 61, PL-01673 WARSZAWA, Poland&quot;, , , , " />
  <attribute name="ebas_originator" value="Bogucka, Magdalena, , , , , , , , , " />
  <attribute name="ebas_submitter" value="Bogucka, Magdalena, , , , , , , , , " />
  <attribute name="_NCProperties" value="version=2,netcdf=4.9.0,hdf5=1.12.2" />
  <attribute name="Metadata_Conventions" value="Unidata Dataset Discovery v1.0" />
  <attribute name="geospatial_lat_units" value="degrees_north" />
  <attribute name="geospatial_lon_units" value="degrees_east" />
  <attribute name="comment" value="{&#xA;    &quot;Data definition&quot;: &quot;EBAS_1.1&quot;,&#xA;    &quot;Data license&quot;: &quot;https://creativecommons.org/licenses/by/4.0/&quot;,&#xA;    &quot;Citation&quot;: &quot;Magdalena Bogucka, Magdalena Bogucka, Magdalena Bogucka, Magdalena Bogucka, Magdalena Bogucka, Magdalena Bogucka, ammonium, chloride, nitrate, sulphate_total, sulphur_dioxide - filter_2pack at Jarczew, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/EUFV-P5WK&quot;,&#xA;    &quot;Set type code&quot;: &quot;TU&quot;,&#xA;    &quot;Timezone&quot;: &quot;UTC&quot;,&#xA;    &quot;File name&quot;: &quot;EUFV-P5WK.nc&quot;,&#xA;    &quot;Represents DOI&quot;: &quot;https://doi.org/10.48597/EUFV-P5WK&quot;,&#xA;    &quot;Contains data from DOI&quot;: &quot;https://doi.org/10.48597/EUFV-P5WK&quot;,&#xA;    &quot;File creation&quot;: &quot;2023-12-11T23:00:52.176007 UTC&quot;,&#xA;    &quot;Export state&quot;: &quot;2021-07-14T10:11:37.767000 UTC&quot;,&#xA;    &quot;Export filter&quot;: &quot;exclude-900,exclude-invalid&quot;,&#xA;    &quot;Startdate&quot;: &quot;20140101060000&quot;,&#xA;    &quot;Revision date&quot;: &quot;20201110120805&quot;,&#xA;    &quot;Version&quot;: &quot;1&quot;,&#xA;    &quot;Version description&quot;: &quot;initial revision, manually inspected&quot;,&#xA;    &quot;Statistics&quot;: &quot;arithmetic mean&quot;,&#xA;    &quot;Data level&quot;: &quot;2&quot;,&#xA;    &quot;Period code&quot;: &quot;6y&quot;,&#xA;    &quot;Resolution code&quot;: &quot;1d&quot;,&#xA;    &quot;Sample duration&quot;: &quot;1d&quot;,&#xA;    &quot;Orig. time res.&quot;: &quot;1d&quot;,&#xA;    &quot;Station code&quot;: &quot;PL0002R&quot;,&#xA;    &quot;Platform code&quot;: &quot;PL0002S&quot;,&#xA;    &quot;Station name&quot;: &quot;Jarczew&quot;,&#xA;    &quot;Station GAW-ID&quot;: &quot;JCZ&quot;,&#xA;    &quot;Station GAW-Name&quot;: &quot;Jarczew&quot;,&#xA;    &quot;Station land use&quot;: &quot;Agricultural&quot;,&#xA;    &quot;Station setting&quot;: &quot;Rural&quot;,&#xA;    &quot;Station GAW type&quot;: &quot;R&quot;,&#xA;    &quot;Station WMO region&quot;: &quot;6&quot;,&#xA;    &quot;Station latitude&quot;: &quot;51.814408&quot;,&#xA;    &quot;Station longitude&quot;: &quot;21.972419&quot;,&#xA;    &quot;Station altitude&quot;: &quot;180.0 m&quot;,&#xA;    &quot;Measurement altitude&quot;: &quot;180.0 m&quot;,&#xA;    &quot;Measurement height&quot;: &quot;2.24 m&quot;,&#xA;    &quot;Regime&quot;: &quot;IMG&quot;,&#xA;    &quot;Laboratory code&quot;: &quot;PL01L&quot;,&#xA;    &quot;Instrument type&quot;: &quot;filter_2pack&quot;,&#xA;    &quot;Instrument name&quot;: &quot;f2p_02&quot;,&#xA;    &quot;Instrument manufacturer&quot;: &quot;IMWM&quot;,&#xA;    &quot;Instrument model&quot;: &quot;Two stage inline&quot;,&#xA;    &quot;Standard method&quot;: &quot;SOP=EMEP_manual_v1996&quot;,&#xA;    &quot;Inlet type&quot;: &quot;Downward-facing tube&quot;,&#xA;    &quot;Inlet description&quot;: &quot;Downward facing&quot;,&#xA;    &quot;Medium&quot;: &quot;Glass fiber&quot;,&#xA;    &quot;Sample preparation&quot;: &quot;Water extraction&quot;,&#xA;    &quot;Blank correction&quot;: &quot;Blank corrected&quot;,&#xA;    &quot;Humidity/temperature control&quot;: &quot;None&quot;,&#xA;    &quot;Humidity/temperature control description&quot;: &quot;filter kept at ambient conditions together with sampling head.&quot;,&#xA;    &quot;Detection limit expl.&quot;: &quot;Determined by taking 3 times standard deviation of ensemble of field blanks&quot;,&#xA;    &quot;Zero/negative values code&quot;: &quot;Zero/negative impossible&quot;,&#xA;    &quot;Organization&quot;: &quot;PL01L, Institute of Meteorology and Water Management - National Research Institute, IMWM - NRI, , \&quot;Podlesna 61, PL-01673 WARSZAWA, Poland\&quot;, , , , &quot;,&#xA;    &quot;Originator&quot;: &quot;Bogucka, Magdalena, , , , , , , , , &quot;,&#xA;    &quot;Submitter&quot;: &quot;Bogucka, Magdalena, , , , , , , , , &quot;&#xA;}" />
  <attribute name="standard_name_vocabulary" value="CF-1.7, ACDD-1.3" />
  <attribute name="history" value="None" />
  <attribute name="creator_url" value="ebas.nilu.no" />
  <attribute name="_CoordSysBuilder" value="ucar.nc2.internal.dataset.conv.CF1Convention" />
  <dimension name="time" length="2191" />
  <dimension name="tbnds" length="2" />
  <dimension name="metadata_time" length="6" />
  <dimension name="ammonium_ug_N_per_m3_qc_flags" length="1" />
  <dimension name="ammonium_ug_per_m3_qc_flags" length="1" />
  <dimension name="chloride_qc_flags" length="1" />
  <dimension name="nitrate_ug_N_per_m3_qc_flags" length="1" />
  <dimension name="nitrate_ug_per_m3_qc_flags" length="1" />
  <dimension name="sulphate_total_ug_S_per_m3_qc_flags" length="1" />
  <dimension name="sulphate_total_ug_per_m3_qc_flags" length="1" />
  <dimension name="sulphur_dioxide_qc_flags" length="1" />
  <group name="CFMetadata">
    <attribute name="time_coverage_start" value="2014-01-01T18:00:00Z" />
    <attribute name="time_coverage_end" value="2019-12-31T18:00:00Z" />
    <attribute name="time_coverage_units" value="seconds" />
    <attribute name="time_coverage_resolution" value="86400.0" />
    <attribute name="time_coverage_duration" value="P0Y0M2190DT0H0M0.000S" />
  </group>
  <group name="NCISOMetadata">
    <attribute name="metadata_creation" value="2026-05-17" />
    <attribute name="nciso_version" value="2.4.8" />
  </group>
  <variable name="time_bnds" shape="time tbnds" type="double">
    <attribute name="long_name" value="time bounds for measurement" />
  </variable>
  <variable name="metadata_time_bnds" shape="metadata_time tbnds" type="double">
    <attribute name="long_name" value="time bounds for ebas metadata intervals" />
  </variable>
  <variable name="ammonium_ug_N_per_m3" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_ammonium_expressed_as_nitrogen_in_dry_aerosol_particles_in _air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="ammonium_ug N_per_m3_qc ammonium_ug N_per_m3_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20201110120805" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="PL0002R" />
    <attribute name="ebas_platform_code" value="PL0002S" />
    <attribute name="ebas_station_name" value="Jarczew" />
    <attribute name="ebas_station_gaw_id" value="JCZ" />
    <attribute name="ebas_station_gaw_name" value="Jarczew" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="51.814408" />
    <attribute name="ebas_station_longitude" value="21.972419" />
    <attribute name="ebas_station_altitude" value="180.0 m" />
    <attribute name="ebas_measurement_altitude" value="180.0 m" />
    <attribute name="ebas_measurement_height" value="2.24 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="ammonium" />
    <attribute name="ebas_unit" value="ug N/m3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="PL01L" />
    <attribute name="ebas_instrument_type" value="filter_2pack" />
    <attribute name="ebas_instrument_name" value="f2p_02" />
    <attribute name="ebas_instrument_manufacturer" value="IMWM" />
    <attribute name="ebas_instrument_model" value="Two stage inline" />
    <attribute name="ebas_method_ref" value="PL01L_spectrophotometric_chloramin_t" />
    <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v1996" />
    <attribute name="ebas_inlet_type" value="Downward-facing tube" />
    <attribute name="ebas_inlet_description" value="Downward facing" />
    <attribute name="ebas_medium" value="Glass fiber" />
    <attribute name="ebas_sample_preparation" value="Water extraction" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="filter kept at ambient conditions together with sampling head." />
    <attribute name="ebas_detection_limit" value="0.06 ug N/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of ensemble of field blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_organization" value="PL01L, Institute of Meteorology and Water Management - National Research Institute, IMWM - NRI, , &quot;Podlesna 61, PL-01673 WARSZAWA, Poland&quot;, , , , " />
  </variable>
  <variable name="ammonium_ug_N_per_m3_qc" shape="ammonium_ug_N_per_m3_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="ammonium_ug_N_per_m3_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="ammonium_ug_per_m3" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_ammonium_in_dry_aerosol_particles_in _air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="ammonium_ug_per_m3_qc ammonium_ug_per_m3_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20201110120805" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="PL0002R" />
    <attribute name="ebas_platform_code" value="PL0002S" />
    <attribute name="ebas_station_name" value="Jarczew" />
    <attribute name="ebas_station_gaw_id" value="JCZ" />
    <attribute name="ebas_station_gaw_name" value="Jarczew" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="51.814408" />
    <attribute name="ebas_station_longitude" value="21.972419" />
    <attribute name="ebas_station_altitude" value="180.0 m" />
    <attribute name="ebas_measurement_altitude" value="180.0 m" />
    <attribute name="ebas_measurement_height" value="2.24 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="ammonium" />
    <attribute name="ebas_unit" value="ug/m3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="PL01L" />
    <attribute name="ebas_instrument_type" value="filter_2pack" />
    <attribute name="ebas_instrument_name" value="f2p_02" />
    <attribute name="ebas_instrument_manufacturer" value="IMWM" />
    <attribute name="ebas_instrument_model" value="Two stage inline" />
    <attribute name="ebas_method_ref" value="PL01L_spectrophotometric_chloramin_t" />
    <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v1996" />
    <attribute name="ebas_inlet_type" value="Downward-facing tube" />
    <attribute name="ebas_inlet_description" value="Downward facing" />
    <attribute name="ebas_medium" value="Glass fiber" />
    <attribute name="ebas_sample_preparation" value="Water extraction" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="filter kept at ambient conditions together with sampling head." />
    <attribute name="ebas_detection_limit" value="0.1 ug/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of ensemble of field blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_organization" value="PL01L, Institute of Meteorology and Water Management - National Research Institute, IMWM - NRI, , &quot;Podlesna 61, PL-01673 WARSZAWA, Poland&quot;, , , , " />
    <attribute name="ebas_comment" value="Data converted on export from EBAS from 'ug N/m3' to 'ug/m3', conversion factor 1.288. Detection limit converted from '0.06 ug N/m3' to '0.1 ug/m3', conversion factor 1.288." />
  </variable>
  <variable name="ammonium_ug_per_m3_qc" shape="ammonium_ug_per_m3_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="ammonium_ug_per_m3_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="chloride" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_chloride_in_dry_aerosol_particles_in _air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="chloride_qc chloride_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20201110120805" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="PL0002R" />
    <attribute name="ebas_platform_code" value="PL0002S" />
    <attribute name="ebas_station_name" value="Jarczew" />
    <attribute name="ebas_station_gaw_id" value="JCZ" />
    <attribute name="ebas_station_gaw_name" value="Jarczew" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="51.814408" />
    <attribute name="ebas_station_longitude" value="21.972419" />
    <attribute name="ebas_station_altitude" value="180.0 m" />
    <attribute name="ebas_measurement_altitude" value="180.0 m" />
    <attribute name="ebas_measurement_height" value="2.24 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="chloride" />
    <attribute name="ebas_unit" value="ug/m3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="PL01L" />
    <attribute name="ebas_instrument_type" value="filter_2pack" />
    <attribute name="ebas_instrument_name" value="f2p_02" />
    <attribute name="ebas_instrument_manufacturer" value="IMWM" />
    <attribute name="ebas_instrument_model" value="Two stage inline" />
    <attribute name="ebas_method_ref" value="PL01L_spectrophotometric_SCNFe" />
    <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v1996" />
    <attribute name="ebas_inlet_type" value="Downward-facing tube" />
    <attribute name="ebas_inlet_description" value="Downward facing" />
    <attribute name="ebas_medium" value="Glass fiber" />
    <attribute name="ebas_sample_preparation" value="Water extraction" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="filter kept at ambient conditions together with sampling head." />
    <attribute name="ebas_detection_limit" value="0.1 ug/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of ensemble of field blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_organization" value="PL01L, Institute of Meteorology and Water Management - National Research Institute, IMWM - NRI, , &quot;Podlesna 61, PL-01673 WARSZAWA, Poland&quot;, , , , " />
  </variable>
  <variable name="chloride_qc" shape="chloride_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="chloride_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="nitrate_ug_N_per_m3" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_nitrate_expressed_as_nitrogen_in_dry_aerosol_particles_in _air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="nitrate_ug N_per_m3_qc nitrate_ug N_per_m3_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20201110120805" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="PL0002R" />
    <attribute name="ebas_platform_code" value="PL0002S" />
    <attribute name="ebas_station_name" value="Jarczew" />
    <attribute name="ebas_station_gaw_id" value="JCZ" />
    <attribute name="ebas_station_gaw_name" value="Jarczew" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="51.814408" />
    <attribute name="ebas_station_longitude" value="21.972419" />
    <attribute name="ebas_station_altitude" value="180.0 m" />
    <attribute name="ebas_measurement_altitude" value="180.0 m" />
    <attribute name="ebas_measurement_height" value="2.24 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="nitrate" />
    <attribute name="ebas_unit" value="ug N/m3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="PL01L" />
    <attribute name="ebas_instrument_type" value="filter_2pack" />
    <attribute name="ebas_instrument_name" value="f2p_02" />
    <attribute name="ebas_instrument_manufacturer" value="IMWM" />
    <attribute name="ebas_instrument_model" value="Two stage inline" />
    <attribute name="ebas_method_ref" value="PL01L_spectrophotom_griess_after_hydrazine_red" />
    <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v1996" />
    <attribute name="ebas_inlet_type" value="Downward-facing tube" />
    <attribute name="ebas_inlet_description" value="Downward facing" />
    <attribute name="ebas_medium" value="Glass fiber" />
    <attribute name="ebas_sample_preparation" value="Water extraction" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="filter kept at ambient conditions together with sampling head." />
    <attribute name="ebas_detection_limit" value="0.02 ug N/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of ensemble of field blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_organization" value="PL01L, Institute of Meteorology and Water Management - National Research Institute, IMWM - NRI, , &quot;Podlesna 61, PL-01673 WARSZAWA, Poland&quot;, , , , " />
  </variable>
  <variable name="nitrate_ug_N_per_m3_qc" shape="nitrate_ug_N_per_m3_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="nitrate_ug_N_per_m3_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="nitrate_ug_per_m3" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_nitrate_in_dry_aerosol_particles_in _air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="nitrate_ug_per_m3_qc nitrate_ug_per_m3_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20201110120805" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="PL0002R" />
    <attribute name="ebas_platform_code" value="PL0002S" />
    <attribute name="ebas_station_name" value="Jarczew" />
    <attribute name="ebas_station_gaw_id" value="JCZ" />
    <attribute name="ebas_station_gaw_name" value="Jarczew" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="51.814408" />
    <attribute name="ebas_station_longitude" value="21.972419" />
    <attribute name="ebas_station_altitude" value="180.0 m" />
    <attribute name="ebas_measurement_altitude" value="180.0 m" />
    <attribute name="ebas_measurement_height" value="2.24 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="nitrate" />
    <attribute name="ebas_unit" value="ug/m3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="PL01L" />
    <attribute name="ebas_instrument_type" value="filter_2pack" />
    <attribute name="ebas_instrument_name" value="f2p_02" />
    <attribute name="ebas_instrument_manufacturer" value="IMWM" />
    <attribute name="ebas_instrument_model" value="Two stage inline" />
    <attribute name="ebas_method_ref" value="PL01L_spectrophotom_griess_after_hydrazine_red" />
    <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v1996" />
    <attribute name="ebas_inlet_type" value="Downward-facing tube" />
    <attribute name="ebas_inlet_description" value="Downward facing" />
    <attribute name="ebas_medium" value="Glass fiber" />
    <attribute name="ebas_sample_preparation" value="Water extraction" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="filter kept at ambient conditions together with sampling head." />
    <attribute name="ebas_detection_limit" value="0.1 ug/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of ensemble of field blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_organization" value="PL01L, Institute of Meteorology and Water Management - National Research Institute, IMWM - NRI, , &quot;Podlesna 61, PL-01673 WARSZAWA, Poland&quot;, , , , " />
    <attribute name="ebas_comment" value="Data converted on export from EBAS from 'ug N/m3' to 'ug/m3', conversion factor 4.427. Detection limit converted from '0.02 ug N/m3' to '0.1 ug/m3', conversion factor 4.427." />
  </variable>
  <variable name="nitrate_ug_per_m3_qc" shape="nitrate_ug_per_m3_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="nitrate_ug_per_m3_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="sulphate_total_ug_S_per_m3" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_total_sulphateexpressed_as_sulphur_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="sulphate_total_ug S_per_m3_qc sulphate_total_ug S_per_m3_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20201110120805" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="PL0002R" />
    <attribute name="ebas_platform_code" value="PL0002S" />
    <attribute name="ebas_station_name" value="Jarczew" />
    <attribute name="ebas_station_gaw_id" value="JCZ" />
    <attribute name="ebas_station_gaw_name" value="Jarczew" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="51.814408" />
    <attribute name="ebas_station_longitude" value="21.972419" />
    <attribute name="ebas_station_altitude" value="180.0 m" />
    <attribute name="ebas_measurement_altitude" value="180.0 m" />
    <attribute name="ebas_measurement_height" value="2.24 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="sulphate_total" />
    <attribute name="ebas_unit" value="ug S/m3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="PL01L" />
    <attribute name="ebas_instrument_type" value="filter_2pack" />
    <attribute name="ebas_instrument_name" value="f2p_02" />
    <attribute name="ebas_instrument_manufacturer" value="IMWM" />
    <attribute name="ebas_instrument_model" value="Two stage inline" />
    <attribute name="ebas_method_ref" value="PL01L_spectrophotometric_thorin" />
    <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v1996" />
    <attribute name="ebas_inlet_type" value="Downward-facing tube" />
    <attribute name="ebas_inlet_description" value="Downward facing" />
    <attribute name="ebas_medium" value="Glass fiber" />
    <attribute name="ebas_sample_preparation" value="Water extraction" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="filter kept at ambient conditions together with sampling head." />
    <attribute name="ebas_detection_limit" value="0.2 ug S/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of ensemble of field blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_organization" value="PL01L, Institute of Meteorology and Water Management - National Research Institute, IMWM - NRI, , &quot;Podlesna 61, PL-01673 WARSZAWA, Poland&quot;, , , , " />
  </variable>
  <variable name="sulphate_total_ug_S_per_m3_qc" shape="sulphate_total_ug_S_per_m3_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="sulphate_total_ug_S_per_m3_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="sulphate_total_ug_per_m3" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_total_sulphateexpressed_as_sulphur_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="sulphate_total_ug_per_m3_qc sulphate_total_ug_per_m3_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20201110120805" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="PL0002R" />
    <attribute name="ebas_platform_code" value="PL0002S" />
    <attribute name="ebas_station_name" value="Jarczew" />
    <attribute name="ebas_station_gaw_id" value="JCZ" />
    <attribute name="ebas_station_gaw_name" value="Jarczew" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="51.814408" />
    <attribute name="ebas_station_longitude" value="21.972419" />
    <attribute name="ebas_station_altitude" value="180.0 m" />
    <attribute name="ebas_measurement_altitude" value="180.0 m" />
    <attribute name="ebas_measurement_height" value="2.24 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="sulphate_total" />
    <attribute name="ebas_unit" value="ug/m3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="PL01L" />
    <attribute name="ebas_instrument_type" value="filter_2pack" />
    <attribute name="ebas_instrument_name" value="f2p_02" />
    <attribute name="ebas_instrument_manufacturer" value="IMWM" />
    <attribute name="ebas_instrument_model" value="Two stage inline" />
    <attribute name="ebas_method_ref" value="PL01L_spectrophotometric_thorin" />
    <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v1996" />
    <attribute name="ebas_inlet_type" value="Downward-facing tube" />
    <attribute name="ebas_inlet_description" value="Downward facing" />
    <attribute name="ebas_medium" value="Glass fiber" />
    <attribute name="ebas_sample_preparation" value="Water extraction" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="filter kept at ambient conditions together with sampling head." />
    <attribute name="ebas_detection_limit" value="0.6 ug/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of ensemble of field blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_organization" value="PL01L, Institute of Meteorology and Water Management - National Research Institute, IMWM - NRI, , &quot;Podlesna 61, PL-01673 WARSZAWA, Poland&quot;, , , , " />
    <attribute name="ebas_comment" value="Data converted on export from EBAS from 'ug S/m3' to 'ug/m3', conversion factor 2.996. Detection limit converted from '0.2 ug S/m3' to '0.6 ug/m3', conversion factor 2.996." />
  </variable>
  <variable name="sulphate_total_ug_per_m3_qc" shape="sulphate_total_ug_per_m3_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="sulphate_total_ug_per_m3_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="sulphur_dioxide" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_sulphur_dioxide_expressed_as_sulphur_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="sulphur_dioxide_qc sulphur_dioxide_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20201110120805" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="PL0002R" />
    <attribute name="ebas_platform_code" value="PL0002S" />
    <attribute name="ebas_station_name" value="Jarczew" />
    <attribute name="ebas_station_gaw_id" value="JCZ" />
    <attribute name="ebas_station_gaw_name" value="Jarczew" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="51.814408" />
    <attribute name="ebas_station_longitude" value="21.972419" />
    <attribute name="ebas_station_altitude" value="180.0 m" />
    <attribute name="ebas_measurement_altitude" value="180.0 m" />
    <attribute name="ebas_measurement_height" value="2.24 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="sulphur_dioxide" />
    <attribute name="ebas_unit" value="ug S/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="PL01L" />
    <attribute name="ebas_instrument_type" value="filter_2pack" />
    <attribute name="ebas_instrument_name" value="f2p_02" />
    <attribute name="ebas_instrument_manufacturer" value="IMWM" />
    <attribute name="ebas_instrument_model" value="Two stage inline" />
    <attribute name="ebas_method_ref" value="PL01L_spectrophotometric_thorin" />
    <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v1996" />
    <attribute name="ebas_inlet_type" value="Downward-facing tube" />
    <attribute name="ebas_inlet_description" value="Downward facing" />
    <attribute name="ebas_medium" value="Glass fiber" />
    <attribute name="ebas_coating_solution" value="KOH" />
    <attribute name="ebas_sample_preparation" value="Water extraction" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="filter kept at ambient conditions together with sampling head." />
    <attribute name="ebas_detection_limit" value="0.2 ug S/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of ensemble of field blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_organization" value="PL01L, Institute of Meteorology and Water Management - National Research Institute, IMWM - NRI, , &quot;Podlesna 61, PL-01673 WARSZAWA, Poland&quot;, , , , " />
  </variable>
  <variable name="sulphur_dioxide_qc" shape="sulphur_dioxide_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="sulphur_dioxide_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="time" shape="time" type="double">
    <attribute name="long_name" value="time of measurement" />
    <attribute name="standard_name" value="time" />
    <attribute name="units" value="days since 1900-01-01 00:00:00 UTC" />
    <attribute name="axis" value="T" />
    <attribute name="calendar" value="gregorian" />
    <attribute name="bounds" value="time_bnds" />
    <attribute name="_CoordinateAxisType" value="Time" />
  </variable>
  <variable name="metadata_time" shape="metadata_time" type="double">
    <attribute name="long_name" value="time of ebas metadata intervals" />
    <attribute name="standard_name" value="time" />
    <attribute name="units" value="days since 1900-01-01 00:00:00 UTC" />
    <attribute name="axis" value="T" />
    <attribute name="calendar" value="gregorian" />
    <attribute name="bounds" value="metadata_time_bnds" />
    <attribute name="_CoordinateAxisType" value="Time" />
  </variable>
</netcdf>
